Cougar Biotechnology Appoints Vice President of Finance.

LOS ANGELES -- Cougar Biotechnology, Inc., a privately held biotechnology company, today announced the appointment of Charles R. Eyler as Vice President of Finance. Mr. Eyler brings more than 20 years of experience in financial management and leadership for healthcare related companies to his new

"Charles' substantial experience in building and managing the financial infrastructure within a number of different healthcare companies will be extremely valuable to Cougar at this stage of the Company's growth," said Dr. Arie Belldegrun, MD, FACS, Vice Chairman of the Board of Directors of Cougar Biotechnology. "The broad depth of Charles' financial experience and knowledge will be an important asset to Cougar," added Alan H. Auerbach, Chief Executive Officer and President of Cougar Biotechnology. "We look forward to Charles' contribution to the management team at Cougar."

Prior to joining Cougar, Mr. Eyler served as Chief Financial Officer and Chief Operating Officer of Hayes Medical Inc from 1999 to 2004. Prior to Hayes Medical, Mr. Eyler held several financial positions including Director of Finance and Administration at Alphatec Manufacturing, Inc., Division Controller at JBL Scientific, Inc., Division Controller at Surgitek, Inc. and Financial Systems Director at Zimmer, Inc. He holds a BS from Drexel University and an MBA from Saint Francis College.

About Cougar Biotechnology

Cougar Biotechnology, Inc. is a Los Angeles-based private biotechnology company established to in-license and develop early clinical stage drugs, with a specific focus on the field of oncology. Further information about Cougar Biotechnology can be found at www.cougarbiotechnology.com.